Home / 38,085.74-52,558.02-21,089.91

Finding the Fourth Proportional to 38,085.74, 52,558.02 and 21,089.91

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Solution

The fourth proportional to 38,085.74, 52,558.02 and 21,089.91 is: 29,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.74 : 52,558.02 = 21,089.91 : x
  2. Step 2: Convert to fraction form
    38,085.74/52,558.02 = 21,089.91/x
  3. Step 3: Cross multiply
    38,085.74x = 52,558.02 × 21,089.91
  4. Step 4: Simplify right side
    38,085.74x = 1,108,443,911.58
  5. Step 5: Solve for x
    x = 1,108,443,911.58/38,085.74
  6. Step 6: Final answer
    x = 29,103.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.